Quiz

One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, his psychological insights into both male and female characters are amazing even today.

This paragraph best supports the statement that

Some schools have gymnasiums. All gymnasiums have basketball hoops. Some basketball hoops have glass backboards.

Based on the information above, which of the following must be true?

Annie likes chocolate. Everyone who likes chocolate also enjoys peanut butter. Therefore, Annie enjoys peanut butter.

Which of the following has reasoning parallel to the argument above?

Because it is extremely cold outside, the library will be open as a warming center. The library usually opens as a warming center when it is extremely cold or when there is the possibility of another dangerous weather event. Extremely low temperatures count as a dangerous weather event.

Which of the following best expresses the conclusion of the passage above?Deselect Answer

The historic low point in the economy was caused by the high interest rates that were initiated immediately before the low point was achieved.

Which of the following most weakens the statement above?Deselect Answer

Which country was a threat to the British industry and power at the outbreak of the 20th century?Deselect Answer

• Reading Comprehension Assessment
Directions: Read the passage. Then answer the next 3 questions.
The Incredible Machine
Everyone has a favorite attraction at an amusement park, and I am no different. However, unlike most people who seem to prefer rollercoasters, my favorite ride is a little more gentle. Every time I go to Coney Island, Navy Pier, or the Santa Monica Pier, I absolutely have to ride the Ferris wheel. The Ferris wheel is simple and yet also quite complex. That is, riding it is easy, but how it works is complicated. A series of carts are attached to a wheel, which is attached to a rim. That rim rotates vertically around an axis, and gravity keeps the carts upright. As simple as the ride seems, only advanced engineers can make safe and fun Ferris wheels.
What It Lacks in Thrills…
While the Ferris wheel is not as thrilling as a rollercoaster, it is still very exciting. The fact of being high in the air makes it so much more entertaining than a lot of rides. I mean, how often do you hang from that high up in daily life?
Nevertheless, I have to admit, I don’t seek Ferris wheels out because of their excitement. Rather, I find them very relaxing. At the top of the Ferris wheel, you get beautiful sights of the park. You also get a sense of calm that you don’t get in the hustle and bustle of the park below. Additionally, Ferris wheels are also gorgeous to look at when they are lit up at night. In fact, the original Ferris wheel was designed as much to be seen as to be ridden.
It Happened at the World’s Fair
The first Ferris wheel was made by and named after George Washington Gale Ferris, Jr. He designed it for the Chicago World’s Fair in 1893. It was the tallest attraction there, standing 264 feet high.
However, visitors to the fair were impressed by the size of the ride as well as the mechanics of it. In 1893, anything that was not turned by hand was considered a sight to see. And the wheel, which was a machine, was truly incredible to see. Further, as one visitor put it, the wheel was amazing because it seemed to be missing support. That is, it did not look like it could stand on its own. And yet it did and even rotated!
They Keep Reaching Higher and Higher
Ferris wheel technology has only improved since then. Most of today’s Ferris wheels are much larger than that first one. The largest in the world is the "Singapore Flyer," which stands slightly taller than twice what Ferris’s did! Today, the Ferris wheel is the most common amusement park ride. But that does not mean you should take them for granted. Instead, be thankful for Ferris’ invention. The next time you’re at an amusement park, don’t just look up at the impressive wheel in the sky on your way to a newer attraction.
Take it for a spin!

As used in paragraph 1, the word attraction most nearly meansDeselect Answer

It can be understood that Coney Island, Navy Pier, and the Santa Monica Pier are all examples ofDeselect Answer

This passage was most likely written toDeselect Answer

What is formed from glucose during anaerobic cell respiration?Deselect Answer

Which of the following chambers or vessels carry deoxygenated blood in the human heart?

What happens during the pathway of glycolysis?Deselect Answer

To understand the workings of neurons, an experiment was conducted to study the neural pathway of a reflex arc in frogs.
A diagram of a reflex arc is given below.

Which of the following represents the correct pathway taken by a nerve impulse as it travels from the spinal cord to effector cells?Deselect Answer

Which process is possible due to the fluidity of cell membranes?Deselect Answer

Consider the following enzyme pathway:

An increase in substance F leads to the inhibition of enzyme 3. All of the following are results of the process EXCEPT

The following events occur in mitosis.

X: Attachment of spindle microtubules to centromeres
Y: Movement of sister chromatids to opposite poles
Z: Supercoiling of chromosomes

What is the correct sequence of events?Deselect Answer

The graph below shows the growth curve of a bacterial culture.

Which of the following represents the carrying capacity of the environment?Deselect Answer

What is a feature of transcription?Deselect Answer

The cell cycle is a series of events in the life of a dividing eukaryotic cell. It consists of four stages: G1, S, G2, and M. The duration of the cell cycle varies from one species to another and from one cell type to another. The G1 phase varies the most. For example, embryonic cells can pass through the G1 phase so quickly that it hardly exists, whereas neurons are arrested in the cell cycle and do not divide.

During which phase do chromosomes replicate?Deselect Answer

Which are the possible recombinants in a dihybrid test cross involving the linked genes JQ/jq?

Here is a sketch of an animal cell.

Which of the following statements is correct?

In a mammal that had just ingested a large volume of water, what would be secreted into the bloodstream?Deselect Answer

Four vials were set up to investigate bacterial transformation. Vials 1 and 2 each contained E. coli bacteria that had been made competent and had then been mixed with a plasmid containing the gene for ampicillin (pAMP) resistance. Vials 3 and 4 both contained E. coli that had also been made competent but had not been mixed with a plasmid. Each vial of bacteria was poured onto a nutrient agar plate. Vials 1 and 3 were poured onto plates that contained the antibiotic ampicillin. Vials 2 and 4 were poured onto plates that did not contain ampicillin.

This figure shows what the nutrient agar plates looked like. The shaded plates represent extensive growth, and the dots represent individual bacterial colonies.


Plates that have only ampicillin-resistant bacteria growing on them include which of the following?

What causes variation in both sexually and asexually reproducing organisms?Deselect Answer

A cell contains multiple nuclei with identical genetic information. This cell most likely formed by going through

What is the correct sequence of these events in the cell cycle?

A plant cell is placed in a hypotonic solution. As a result, the cell will

A solute cannot move into a cell by crossing the phospholipid bilayer of the membrane. It can, however, enter through a membrane protein. The fact that solute molecules are entering the cell MOST LIKELY indicates that

How can a water molecule BEST be described?

I.    It is nonpolar.
II.   It has an equal electron distribution.
III. It is able to form hydrogen bondsDeselect Answer

 The phenomenon depicted in the diagram is known as

The graph shows the changes in free energy before, during, and after a biochemical reaction.

Which describes the effect of a catalytic enzyme on this reaction?

A cell that receives more than the normal number of chromosomes can be called all of the following EXCEPT

Which of the following is an example of a Lewis acid?Deselect Answer

In a chemical reaction, if the reactants have a higher energy level than the products, the reaction is classified as:Deselect Answer

A student prepares a solution using 0.08 g sodium hydroxide and 200 g water. He then takes 50 ml of this solution and transfers it to another container. What is the pH of the remaining solution?Deselect Answer

For the reaction: A + B ⇌ C + D, which of the following changes will shift the equilibrium towards the products?Deselect Answer

A gas sample occupies a volume of 2.50 L at a temperature of 25°C and a pressure of 1.00 atm. If the temperature is increased to 323°C and the pressure is adjusted to 2.00 atm, what will be the new volume of the gas sample?Deselect Answer

Which of the following properties is typically associated with metals rather than non-metals?Deselect Answer

Which one of the following is the correct name for the given compound?Deselect Answer

How many of the following statements is/are correct?

• Alkanes are isomers with alkenes with the same number of Carbons.
• Cyclopropane has an alkene isomer.
• Cycloalkenes are isomers with alkynes with the same number of Carbons.
• All hydrocarbons are soluble in water due to their polar molecular structures.
• Isomer molecules have the same closed structures but different chemical properties.

Consider the molecular formula C₄H₈. How many different structural isomers can be formed with this formula?Deselect Answer

Which of the following elements has the electronic configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹?

What is the atomic number of an element that contains 26 protons and 28 electrons?Deselect Answer

Which of the following is a characteristic of an acid?Deselect Answer

In an aqueous solution, which of the following compounds can act as both a Brønsted-Lowry acid and a Brønsted-Lowry base?Deselect Answer

Which one of the following correctly describes the lewis acid?Deselect Answer

What will have no effect on the equilibrium position?

Which of the following is the simplest form of the above statement?Deselect Answer

Let a and b be numbers  such that a³=b². Which of the following is equivalent to b√a ?

Line l goes through points P and Q, whose coordinates are (0,1) and (b,0), respectively. For which of the following values of b is the slope of line l greater than -1/2Deselect Answer

In the figure above, |AB|=6 and |BC|=8. What is the length of segment |BD| ?Deselect Answer

The function f is graphed in its entirety above. If the function g is defined so that g(x)=f(−x), then for what value of x does g attain its maximum value? (The graph is drawn in scale)

Consider the points in Cartesian Coordinate system. If  do not form a triangle, find the value of .Deselect Answer

The numbers and , the arithmetic mean of which is  are proportional to  and   What is the arithmetic mean of the numbers proportional to  and ?Deselect Answer

A coin lies on the top of a turntable at a distance R from the center. The table rotates at a constant speed v. What is the minimum coefficient of static friction that can prevent the coin from sliding of the table?

Deselect Answer

A parallel–plate capacitor is charged by connection to a battery. If the battery is disconnected and the separation between the plates is increased, what will happen to the charge on the capacitor and the voltage across it?Deselect Answer

An ideal gas undergoes a cyclic process as shown on the graph above of pressure p versus volume V.
During which process is no work done on or by the gas?Deselect Answer

A uniform horizontal footbridge is 12.0 m long and weighs 4000 N. It rests on two supports X and Y, as shown.

A man of weight 600 N stands a distance of 4.0 m from support X.
What is the upward force on the footbridge from support X?Deselect Answer

A wooden block with a coin placed on its top, floats in water as shown in the figure. The distance I and h are shown there. After some time the coin falls in to the water. Then
Deselect Answer

Which of the following is equivalent to a unit of momentum?

Yoga has become a very popular type of exercise, but it may not be for everyone. Before you sign yourself up for a yoga class, you need to examine what it is you want from your fitness routine. If you're looking for a high-energy, fast-paced aerobic workout, a yoga class might not be your best choice.
This paragraph best supports the statement that

In Dec 2014, the Pew Research Center conducted a survey, asking 1507 people spread among all 50 states and the District of Columbia , “What do you think is more important – to protect the right of Americans to own guns or to control gun ownership?” For the first time in more than two decades, a higher percentage (52%) said it was more important to protect the right of Americans to own guns than to control gun ownership (46%). The researchers used 1993 as a reference point because it's seen as the height of gun violence in America; they also noted that gun-related violence fell sharply in the 1990s and more gradually in later years. But Pew also noted that many Americans didn't seem to agree with the numbers. A survey found that only 12 percent of respondents thought the gun crime rate was lower than it was in 1993 — and 56 percent thought it was higher. 

It can be concluded from this survey result that:

Championing objectivity in writing—and, more precisely, decrying solipsism, narcissism, and self-absorption—can of course have legitimate uses. In the era of Twitter and Facebook, when we are given an infinite supply of blank fields to fill with our thoughts, we are all encouraged to think we are more interesting than we actually are. And yet there is a compelling argument to be made, more generally, that journalism’s putative standards of objectivity are sometimes wielded to check not subjectivity, per se, but unwanted subjectivities. The method of testing information – the approach to evidence- is meant to be objective, not the journalist. The key is in the discipline of the craft, not the aim. 

Which of the following is the writer least likely to agree with?

Industry representative: Thorough research of the results of all relevant clinical trials done to date reveal that there is no reason to believe that the artificial flavoring used in most brands of beef jerky contributes to hardening of the arteries when occasionally consumed in reasonable amounts. Therefore, those who enjoy beef jerky can consume it without any concern for their health.
Which one of the following points to a weakness in the reasoning in the industry representative’s argument?Deselect Answer

The birth rate in Country X is down this year by 12% compared to last year. The death rate in Country X has remained stable for several years. Therefore, the population of Country X is decreasing measurably.
Which of the following is assumed by the author of the argument above?Deselect Answer

On a particular Saturday, a student will perform six activities—grocery shopping, hedge trimming, jogging, kitchen cleaning, laundry, and motorbike servicing. Each activity will be performed once, one at a time. The order in which the activities are performed is subject to the following conditions:

1. Grocery shopping has to be immediately after hedge trimming.
2. Kitchen cleaning has to be earlier than grocery shopping.
3. Motorbike servicing has to be earlier than laundry.
4. Motorbike servicing has to be either immediately before or immediately after jogging.

Which one of the following, if substituted for the condition that motorbike servicing has to be earlier than laundry, would have the same effect in determining the order of the student’s activities?

In a village, the ratio of number of males to females is 5 : 4. The ratio of number of literate males to literate females is 2 : 3. The ratio of the number of illiterate males to illiterate females is 4 : 3. If 3500 males in the village are literate, then the total number of females in the village is

A gumball machine has three different colored gumballs: red, blue and yellow. If you buy  3 gumballs, how many different combinations of colors could you buy?

What is the approximate difference between the percentage literacy rate increased in boys from 2011 to 2015 and percentage literacy rate increased in girls from 2013 to 2016.

A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.

How many rings appear on the Olympic flag?

What is the atomic sign for Helium on the periodic table?

Where are the Bellagio, Caesars Palace, and Luxor hotels located?

Which card game requires players to "ante"?

Steven Tyler is the singer of which famous band?

Who plays the role of the archaeologist and adventurer, Indiana Jones?

In Greek mythology, Hades is the God of what?

Which famous woman in history was the lover of Mark Antony?

What is the currency of Scotland?

Which of these famous novelists declined to receive the Nobel Prize for Literature?

Which of the following regions within a sarcomere remain UNCHANGED in length when a healthy human muscle cell contracts.

1. A-band
2. I-band
3. H-band

Strenuous exercise lowers the blood pH, causing the curves for both hemoglobin and myoglobin to shift to the right. This shift results in

The diagram below shows a developing worm embryo at the four-cell stage. Experiments have shown that when cell 3 divides, the anterior daughter cell gives rise to muscle and gonads and the posterior daughter cell gives rise to the intestine. However, if the cells of the embryo are separated from one another early during the four-cell stage, no intestine will form. Other experiments have shown that if cell 3 and cell 4 are recombined after the initial separation, the posterior daughter cell of cell 3 will once again give rise to normal intestine.

Which of the following is the most plausible explanation for these findings?

Paramecia are unicellular protists that have contractile vacuoles to remove excess intracellular water. In an experimental investigation, paramecia were placed in salt solutions of increasing osmolarity. The rate at which the contractile vacuole contracted to pump out excess water was determined and plotted against osmolarity of the solutions, as shown in the graph. Which of the following is the correct explanation for the data?

An individual’s humoral response to a particular antigen differs depending on whether or not the individual has been previously exposed to that antigen. Which of the following graphs properly represents the humoral immune response when an individual is exposed to the same antigen more than once?

Most fish do not sink in water because of the presence of:

I.   swim bladder
II.  air bladder
III. air sacs
IV. air in spongy bonesDeselect Answer

Which of the following is/are the correct location(s) of the large ribosomes in typical eukaryotic cells, e.g. a human white blood cell?

1. attached to the outside of the endoplasmic reticulum
2. attached to the inside of the endoplasmic reticulum
3. free in the cytoplasm

The grey colour in hens occurs in the heterozygous offspring of white and

black individuals. Which of the following crosses would produce an offspring in the ratio of 1 white : 2 grey : 1 black?

Which of the following is/are true for a gene maternally inherited?

1. its locus is on mitochondrial DNA
2. it is inherited only by females
3. its locus is on the X chromosomes
4. it is passed by the mother to all offspring

The activity of neurons of the respiratory centers is modulated by signals from chemoreceptors that:

Identify the substances i, ii and iii corresponding with the dominant transport processes for molecules passing through the nephron of a normal kidney.

Metabolic processes are:

Which of the following rows are correct about these naturally occurring biological molecules?

Plants have _____________ While animals lack it.

Familial hypercholesterolemia (FH) is an inherited disease caused by a dominant allele. People with FH have high concentrations of cholesterol in the blood, which can lead to an increased risk of coronary heart disease. The family tree shows the inheritance of this disease in one family.

Which row shows the number of individuals in the family tree with each genotype?

Which molecule possesses a trigonal -bipyramidal structure?

Which molecule does not have a dipole moment?

What number of moles of O₂ is needed to produce 14.2 grams of P₄O₁₀ from P? (Molecular weight P₄O₁₀ = 284)

... C₁₀H₁₂O₄S(s ) + ... O₂(g) →... CO₂(g) + ... SO₂(g) + ... H₂O(g)

When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O₂(g) is

How many grams of O atoms are in 0.5 moles of CO₂?

O:16 g/Mol

Select the term best describing the series of elements: Mn, Fe, Co, Ni, Cu.

Which of the following terms accurately describes the energy associated with the process:

Li(g) → Li⁺(g) + e^-

In a sample of pure water, only one of the following statements is always true at all conditions of temperature and pressure. Which one is always true?

What is the IUPAC name for the given molecule?

The combustion of ethane (C₂H₆) is represented by the equation:

2C₂H₆(g) + 7O₂(g) → 4CO₂(g) + 6H₂O(l)

In this reaction:

Which answer includes all the followings that are chemical changes and not physical changes?

Which one of the formulas for ionic compounds below is incorrect?

The valence electrons of representative elements are

Which one of the following violates the octet rule?

The correct dot formulation for nitrogen trichloride has:

Deselect Answer

What is the sum of the measures of all interior angles of the figure below (marked with dots) ?

A cubic curve is given by

f(x)= 4x³-8x²-x+k

where k is a non-zero constant. Given that ( x − 2) is a factor of f ( x) , find the f(1) =?

-7 + 3log₆(9n-18) = -1

In which system are the lines parallel?

An object is dropped at time t = 0 from a high building. Air resistance is significant.

Three graphs are plotted against time:

• the height of the object above the ground
• the speed of the object
• the magnitude of the resultant force on the object.

What are the quantities X, Y and Z?

The force F against extension x graphs for four different Wires A, B, C and D up to their breaking points are shown below.

Which Wire has the greatest work done on it before it breaks?Deselect Answer

A trolley M collides head-on with a trolley L. The mass of trolley M is greater than the mass of trolley L. The trolleys join together after the collision,

Which statement is correct?Deselect Answer

The moderate temperatures of islands throughout the world has much to do with water's

Figure 38.19 shows a rectangular coil of wire placed in a magnetic field and free to rotate about axis AB.

If the current flows into the coil at C, the coil will:

In the past, consumers would rarely walk into an ice cream store and order low-fat ice cream. But that isn't the case today. An increasing health consciousness combined with a much bigger selection of tasty low-fat foods in all categories has made low-fat ice cream a very profitable item for ice cream store owners.
This paragraph best supports the statement that

Many scientific studies have found links between genius and mental illness, particularly bipolar disorder in which patients have violent mood swings between elation and depression. In one interesting Swedish study, 700,000 Swedes had intelligence tests at age 16 and again 10 years later. Those who scored well were four times more likely than the others to have developed bipolar disorder. The US neurologist James Fallon came up with a convincing argument based on his own findings in the field: the brain area involved in mood swings is the same area where creativity is born. This may explain why some people can draw previously unseen connections among ideas, images, shapes and the like.

Which of the following is inferred from the above?

More and more computer software that is capable of correcting not just spelling, but also grammar and punctuation is being developed. Therefore, it is increasingly unnecessary for working reporters and writers to have a complete knowledge of the principles of English grammar and punctuation. Consequently, in training journal- ists, less emphasis should be placed on the principles of grammar so that students and professors can concentrate on other important subjects.
Which one of the following, if true, most seriously weakens the argument given for the recommendation above?Deselect Answer

Physician: The continued use of this drug to treat patients with a certain disease cannot be adequately supported by the proposition that any drug that treats the disease is more effective than no treatment at all. What must also be taken into account is that this drug is very expensive and has notable side effects.
Which one of the following most accurately expresses the main point of the physi- cian’s argument?Deselect Answer

It is widely accepted that eating sugar can cause weight gain. Indeed, many people who are susceptible to weight gain report that, in their own experience, eating large amounts of sugar is invariably followed by a measurable weight gain within a few days. However, it is likely that common wisdom has confused cause and effect.

Recent studies suggest that hormonal changes associated with stress can cause weight gain, and there is ample evidence that people who are fond of sugar tend to eat more of it when they are under stress.

The argument employs which one of the following argumentative strategies?

From a group of seven people—J, K, L, M, N, P, and Q—exactly four will be selected to attend a diplomat’s retirement dinner. Selection conforms to the following conditions:

1. Either J or K must be selected, but J and K cannot both be selected.
2. Either N or P must be selected, but N and P cannot both be selected.
3. N cannot be selected unless L is selected.
4. Q cannot be selected unless K is selected.

There is only one acceptable group of four that can be selected to attend the retirement dinner if which one of the following pairs of people is selected?

Pinky is standing in a queue at a ticket counter. Suppose the ratio of the number of persons standing ahead of Pinky to the number of persons standing behind her in the queue is 3 : 5. If the total number of persons in the queue is less than 300, then the maximum possible number of persons standing ahead of Pinky isDeselect Answer

The average number of chocolates of Dairy Milk, 5-star and Mars taken together is equal to number of chocolates distributed of which of the given type?

John knows he will need four more books priced at  $10, $15, $20, $25 for next term.

• When he bought the books in the first shop, he was given a loyalty card. For every full $10 that he has spent he will get $1 he can use when he buys more books. However, the first shop has reduced its discount to 10% before that offer.
• The second shop has charged its discount offer to $9 off any purchase totaling $60 or more.
• The third shop has applied 15% off any book that normally cost $20 or more.

John still wants to buy all four books from the same shop. What is the cheapest amount he could pay for them?

The shapes from the game Tetris are sometimes called ‘tetrominoes’. There are five different tetrominoes:

In some of them it is possible to write in the numbers 1 to 4 so that consecutive numbers are not in adjacent squares ( horizontally or vertically). How many of the above shapes can’t this be done?

Christ the Redeemer’ is located in which place?

Name the other house of the Parliament of US other than the House of Representatives?

Table Mountain’ is located at which place?

Which among the following is a symbol for Peace?

Which is the tallest waterfall in the world?Deselect Answer

The headquarters of United Nations International Children’s Emergency Fund (UNICEF) is located in …

When I find myself in times of trouble, Mother Mary comes to me” is the opening line of which song?Deselect Answer

Which author is known for creating Hercule Poirot?

What is the chemical symbol for table salt?

In which Italian city is “Romeo and Juliet” (Shakespeare) set?

In the nitrogen cycle, the transformation of gaseous nitrogen into nitrogen-containing compounds is performed primarily by

A pathogenic bacterium has been engulfed by a phagocytic cell as part of the nonspecific (innate) immune response. Which of the following illustrations best represents the response?

Testosterone oxido-reductase is a liver enzyme that regulates testosterone levels in alligators. One study

compared testosterone oxido-reductase activity between male and female alligators from Lake Woodruff, a relatively pristine environment, and from Lake Apopka, an area that has suffered severe contamination. The graph above depicts the findings of that study.

The data in the graph best support which of the following claims?

Tertiary structure of proteins is not affected by:

The dipeptide represented below is in aqueous solution.

Which numbered bond (1 to 5) needs to be broken in this dipeptide directly to form two amino acids?

A human kidney filters about 200 liters of blood each day. Approximately two liters of liquid and nutrient waste are excreted as urine. The remaining fluid and dissolved substances are reabsorbed and continue to circulate throughout the body. Antidiuretic hormone (ADH) is secreted in response to reduced plasma volume. ADH targets the collecting ducts in the kidney, stimulating the insertion of aquaporins into their plasma membranes and an increased reabsorption of water.

If ADH secretion is inhibited, which of the following would initially result?

Which of the following is correct for cholesterol in humans?

Which of the following cellular structures are involved in the synthesis of glycoproteins that have to be secreted?

1. the golgi apparatus
2. the nucleus
3. the centriole
4. the rough ER

Pyruvate produced by glycolysis:

The picture below shows two processes involved in reproduction.

An individual has inherited from healthy parents a congenital form of deafness. This genetic abnormality is caused by a recessive allele (d) of a gene which dominant allele (D) allows the normal perception of sounds

What would be the genotype of such individual parents?

Wheat (Triticum aestivum) used in bread making has 42 chromosomes; durum wheat (Triticum turgidum) usedto produce pasta has 28 chromosomes; both species descen from wild wheat (Triticum tauschii and Triticum monococcum),

which have 14 chromosomes, instead. Such a diversity in chromosome number is called:

A DNA molecule is replicated twice. Which percentage of the resulting DNA was part of the parent molecule?

The diagram shows the relationship between the features of two substances involved in digestion: bile and amylase

Which of the following is correct for X, Y and Z?

On a hot summer day, the diuresis of a person who doesn’t drink:

What is the volume of 25.0 grams of water at 4.0 °C?

What is the density of 250 mL of a solution that weighs 200 grams?

How many moles of NaCl are in 125 mL of a 0.2 M NaCl solution?

What is the mass of 0.5 L of a solution that has a density of 1.2 g/mL?

How many grams of NH4Cl are in 250 mL of a 0.6 M NH4Cl solution? (N:14, H:1, Cl: 35,5)

What is the general formula for an alkane?

Which of the following functional groups is present in an alcohol?

What is the IUPAC name for the compound CH₃CH₂CH(CH₃)CH₂OH?

Which of the following is an example of an aromatic hydrocarbon?

Which of the following is an example of an aromatic hydrocarbon?‾

Which one of the following separation methods is the best for separating alcohol and water mixture?

How many isomers are present for a molecule with the molecular formula C₄H₁₀?

Which one of the following cannot result in a redox reaction?

Which one of the following is true about alkaline earth metals?

Which one of the following is a transition metal?

In Figure ΔABC is circumscribing a circle. Find the radius of the circle?Deselect Answer

The smallest negative number satisfying both the quadratic inequalities x²<4x+77 and x²>4 is

A graph drawn in the coordinate system which is scaled in 1 units is presented above. which one of the following is the equation of the graph?

The diagram shows a triangular prism.
The volume of the prism is 5000 cm³

What is the surface area of the prism?

For the function above find f(1/2)

A bead is released from rest at point P and slides along a wire, as shown

The wire loops around and forms a vertical circle of diameter 40 cm. At point Q, the bead has a speed of 1.4 m s^–1.
Air resistance and friction on the wire are negligible.
What is the approximate height h from which the bead is released? (Gravitational acceleration is 10 N/kg)

A cable is attached to an object of weight 30N. the object is pulled vertically upwards with an acceleration of 6.0 m/s² (Gravitational acceleration is 10 N/kg)

What is the tension in the cable?

A 9V battery is connected to two resistors as shown. The terminals X and Y are connected to another circuit that draws a current of 1 mA. The current trom the battery is 3 mA.

What is the power supplied to the circuit connected between X and Y?Deselect Answer

A group of civil engineers are assessing whether or not to use solid concrete pillars or hollow metal tubes to support a building. One such tube is shown below. The tube is placed on a horizontal surface. The tube is made of metal of thickness t. The tube has height h and a mean internal radius R. the radius R>> thickness t.

A heavy metal block of mass m is placed on top of the tube.
What is the approximate pressure p acting on the tube

A small amount of copper is heated in a container. The copper starts to melT
Which statement about the melting of copper is correct?Deselect Answer

If you're a fitness walker, there is no need for a commute to a health club. Your neighborhood can be your health club. You don't need a lot of fancy equipment to get a good workout either. All you need is a well-designed pair of athletic shoes.
This paragraph best supports the statement that

In an in Vitro study, 160 white cats were injected with Salt X. 160 other white cats were injected with placebo. In two weeks, 39% of the white cats, who were injected with Salt X showed symptoms of Kay fever. Hence it can be concluded that Kay fever is caused by some elements similar to the elements in Salt X.

Which of the following statements would most seriously weaken the above discussion?

Giant Motors is attempting to dominate the automobile market by promoting its products with an expensive television advertising campaign. But, the results of recent surveys reveal that, in the opinion of 85 percent of all consumers, Giant Motors already dominates the market. Since any product with more than half of all sales in any given market is already dominant, Giant Motors dominates the market now and must only preserve its market share in order to continue to dominate its market.
The argument commits which one of the following errors in reasoning?Deselect Answer

Researchers concur with one another on the issue of the harm that can result when children are exposed to microscopic asbestos fibers. The resulting disease, asbestosis, is almost always debilitating and even sometimes fatal. Many older school buildings contain asbestos insulation around hot water pipes and heating ducts because, until recently, the dangers of asbestos were unknown. Yet, these same researchers also agree that laws requiring the removal of asbestos from schools could actually lead to an increased likelihood of exposure to asbestos fibers to the students who attend those schools.

Which one of the following, if true, most helps to resolve the apparent discrepancy in the researchers’ positions?

Murcheson’s drawing of the Lincoln Monument contains several inaccuracies. Therefore, your attempt to reproduce the drawing of the monument will not be a very accurate reproduction of the drawing.
Which one of the following is most similar in its flawed reasoning to the flawed reasoning in the argument above?Deselect Answer

Name the orchestral instrument that can play high notes?

One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, the psychological insights he portrays in both male and female characters are amazing even today.Deselect Answer

The Fourth Amendment to the Constitution protects citizens against unreasonable searches and seizures. No search of a person’s home or personal effects may be conducted without a written search warrant issued on probable cause. This means that a neutral judge must approve the factual basis justifying a search before it can be conducted.

This paragraph best supports the statement that the police cannot search a person’s home or private papers unless they have

Most of the women in the orchestra wore conventional black skirts and white shirts during concerts and had their hair neatly pulled back. Robin, with her brightly colored clothing and unusual hair styles, was considered quite eccentric.
What is the meaning of the underlined word eccentric as it is used in the sentence?Deselect Answer

What is the source of the oxygen released into the air as a product of photosynthesis?Deselect Answer

As a scientist, you are investigating a karyogram by carrying out a karyotype analysis. Which one of the below is not correct for karyotype analysis ?Deselect Answer

Which of the following plays an important role in the human immune system?
Deselect Answer

The diagram shows the muscles involved in extending the arm. Which actions result in this movement?

Cellular respiration is a significant event occuring for all cells in terms of providing the energy in which the cell requires. Which one of the below is correctly matched for an eukaryotic cell ?Deselect Answer

A plant is exposed to increasing light intensity from very dim to bright light, while the carbon dioxide concentration and temperature are kept at an optimum level. What will happen to the rate of oxygen production?Deselect Answer

Photosynthesis is an important for glucose production by using light energy and it involves special steps. Which one of the below is not true about photosynthesis ?Deselect Answer

Which one of the following about biomolecules is correctly matched?

During the carbon cycle, which of the following carbon compounds would be utilized as an energy source by heterotrophs?

The first diagram below shows the levels of mRNA from two different genes ( bicoid and caudal) at different positions along the anterior-posterior axis of a Drosophila egg immediately before fertilization. The second diagram shows the levels of the two corresponding proteins along the anterior-posterior axis shortly after fertilization.

Which of the following conclusions is best supported by the data?

Which of the following is/are true regarding sensory receptors?

1. They can transduce mechanical stimuli into electrical signals
2. They can transduce the binding of a neurotransmitter into electrical signals
3. They can transduce the binding of a chemical into electrical signals
4. They can trigger an action potential in the cell

The tiny blue-eyed Mary flower is often one of the first flowers seen in the spring in some regions of the United States. The flower is normally blue, but sometimes a white or pink flower variation is found. The following data were obtained after several crosses.

Which of the following statements best explains the data?

The endocrine system incorporates feedback mechanisms that maintain homeostasis. Which of the following demonstrates negative feedback by the endocrine system?

Which of the following is/are true about the offspring of a Ff x Ff cross?

1.  1/4 of the offspring will have genotype FF
2.  1/2 of the offspring will have genotype Ff
3.  3/4 of the offspring will have the dominant phenotype
4.  1/3 of the offspring will have genotype ff

Different photosynthetic organisms have different types of chlorophyll molecules. The distribution of chlorophylls in several different groups of organisms is shown in the table. A plus sign (+) in the table indicates the presence of a chlorophyll, while a minus sign (-) indicates its absence.

Based on the data, which of the following most likely describes the evolutionary relationship among the organisms?

Which one of the following is NOT true of human hormones?

The chemical reaction for photosynthesis is

6 CO₂ + 12 H₂O + light energy C₆H₁₂O₆ + 6 O₂ + 6 H₂O

If the input water is labeled with a radioactive isotope of oxygen, ¹⁸O, then the oxygen gas released as the reaction proceeds is also labeled with ¹⁸O. Which of the following is the most likely explanation?

Which of the following is not part of the lac operon of E. coli?Deselect Answer

In which of the following stages can chromatids be present?

1. the start of mitosis
2. the start of meiosis 
3. the end of cytokinesis

By which process does a glucose molecule move through a cell membrane from a region of greater concentration to one of lower concentration?

Which of the following labels, i to v, represents a nucleotide?

The following pedigree shows the heredity of a sex-linked trait. Which of the following statements is most correct?

Which of the following statements about muscle contraction is true?

Which one of the following contains an element in a  +1 oxidation state

Which one of the following has a central atom with less than an octet of electrons?

Which of the following elements has the largest first ionization energy?

A 0.20 mol sample of MgCl₂(s) and a 0.10 mol sample of KCl(s) are dissolved in water and diluted to 500 mL. What is the concentration of Cl^- in the solution?

Atoms of Mg combine with atoms of F to form a compound.  Atoms of which of the following elements combine with atoms of F in the same ratio?

C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(l)

In the reaction represented above, what is the total number of moles of reactants consumed when 1.00 mole of CO₂(g) is produced?

How many protons, neutrons, and electrons are in an  ⁵⁶₂₆Fe atom?

Which of the following molecules contains polar covalent bonds but is a nonpolar molecule?

H₂ + F₂ → 2 HF

In the reaction represented above, what mass of HF is produced by the reaction of 3.0 × 10²³ molecules of H₂ with excess F₂?
(Assume the reaction goes to completion). H: 1 F:19

For which of the following reaction mixtures at equilibrium would reducing the volume of the container at constant temperature cause the equilibrium to shift toward the products?

Which one of the following is closed formula for ethylene?Deselect Answer

C₂H₄(g) is reduced by H₂(g) in the presence of a solid platinum catalyst, as represented by the equation above. Factors that could affect the rate of the reaction include which of the following?

2 NH₃(g) → 3 H₂(g) + N₂(g) ΔH^o₂₉₈ = 92 kJ/mol_rxn
According to the information above, what is the standard enthalpy of formation, ΔH_f^o, for NH₃(g) at 298 K ?

HSO₄^-(aq) + CO₃^2-(aq) ⇌  – SO₄^2-(aq) + HCO₃^-(aq)

The reaction represented above is observed to proceed spontaneously to the right in aqueous solution. In this system the strongest base is

Which of the following lists the substances F₂, HCl, and HF in order of increasing boiling point?

In figure, PQ is a chord of circle with centre O and PT as a tangent. If ∠QPT=60° , find ∠PRQ.Deselect Answer

Let g be a function defined for all reals. Which of the following conditions is not sufficient to guarantee that g has an inverse function?

For the given expression below what is the constant term?

What is/are the exact solution(s) of the expression below?

e^2x - 5e^x + 6 = 0

(a+2i)(b-i)=Deselect Answer

The range of the function

f={(x,y):y=5-4x-x²}

One of the zeros of a second-degree polynomial expression with integer coefficients is x₁= 2-√7 and the other is x₂. What is the ratio

Five blocks having equal mass but made of different substances, as shown above, are heated
to 100°C and placed on separate 10 kg blocks of ice that are at a temperature of 0°C. Which
substance melts the greatest amount of ice?Deselect Answer

The speed v of a liquid leaving a tube depends on the change in pressure P and the density ρ of the liquid. The speed is given by the equation

where k is a constant that has no units.

What is the value of n?

A radio-controlled toy car travels along a straight line for a time of 15 s.
The variation with time t of the velocity v of the car is shown.

What is the average velocity of the toy car for the journey shown by the graph?

The acceleration of free fall on Pluto is 0.66 m s^–2. An object weighs 6.0 N on Earth.

What would this object weigh on Pluto?

An electron gun is used to accelerate electrons from rest through a voltage V. The electrons emerge with a speed u.

The voltage in the gun is halved to V/2. At what speed do the electrons emerge?

Entropy of a system always …………in an irreversible system

Generation Xers are those people born roughly between 1965 and 1981. As employees, Generation Xers tend to be more challenged when they can carry out tasks independently. This makes Generation Xers the most entrepreneurial generation in history.
This paragraph best supports the statement that Generation XersDeselect Answer

A study at Institute of Public Health has shown that there are still millions of people who are unaware that they endanger their health by over eating. This is so, despite government campaigns to warn people of the dangers of over eating. Reluctantly, one has to draw the conclusion that the mandatory warnings that nutrition companies are required to print have had no effect.

Which of the following, if true, would refute the argument in the passage?

There are plenty of debates on whether a college education is worth it or not. People who argue that college is worth it contend that college graduates have higher employment rates, bigger salaries, and more work benefits than high school graduates. They say college graduates also have better interpersonal skills, live longer, have healthier children, and have proven their ability to achieve a major milestone.
Which of the following statements, if true, most strongly supports the view that college education is worth it?Deselect Answer

India’s baffling array of state and national labor laws date to the 1940s: one provides for the type and number of spittoons in a factory. Another says an enterprise with more than 100 workers needs government permission to scale back or close. Many Indian businesses stay small in order to remain beyond the reach of the laws. Big firms use temporary workers to avoid them. Less than 15% of Indian workers have legal job security. The new government can sidestep the difficult politics of curbing privileges by establishing a new, simpler labor contract that gives basic protection to workers but makes lay-offs less costly to firms. It would apply only to new hires; the small proportion of existing workers with gold-star protections would keep them.
Which of the following options best summarizes the main idea of the paragraph?

Jason: The Internet is making more information available to more people than ever before in history. So, people can simply learn all they need to know without seeking the advice of experts.
Mark: In the past, the need for experts actually increased as the volume of knowledge increased. Therefore, the Internet will surely increase our dependence on experts.
The dialogue most strongly supports the claim that Jason and Mark disagree with each other about whetherDeselect Answer

Read the following explanation and find the correct term.
"A policy aimed at providing economic and military support to those European countries which were fighting Communist takeover in the Cold War, especially Greece and Turkey ".Deselect Answer

There are no effective boundaries when it comes to pollutants. Stud- ies have shown that toxic insecticides that have been banned in many countries are riding the wind from countries where they remain legal. Compounds such as DDT and toxaphene have been found in remote places like the Yukon and other Arctic regions.

This paragraph best supports the statement that

Today’s postal service is more efficient than ever. Mail that once took months to move by horse and foot now moves around the country in days or hours by truck, train, and plane. If your letter or package is urgent, the U.S. Postal Service offers Priority Mail and Express Mail services. Priority Mail is guaranteed to go anywhere in the United States in two days or less. Express Mail will get your package there overnight.

This paragraph best supports the statement that

In prolonged space flight, besides the obvious hazards of meteors, rocky debris, and radiation, astronauts will have to deal with muscle atrophy brought on by weightlessness; therefore, when they return to Earth, they face a protracted period of weight training to rebuild their strength.

What is the most likely meaning of the underlined word debris as it is used in this passage?

Which type of light is least useful for photosynthesis in terrestrial plants?Deselect Answer

Which of the following is part of the process of cellular respiration?Deselect Answer

Which one of the following is not true about the reproductive system ?Deselect Answer

Which one of the below is not correctly matched to each other ?

Meiosis is a very important process in order to generate gametes including sperm and eggs. Any error occuring in any stage of the meiosis might cause an abnormality for the cells which may end up by a syndrome depending on the chromosome number. Down Syndrome is one of the syndrome which results from an error happening in meiosis. In which phase of the meiosis the error might likely to occur and what might cause that situation ?Deselect Answer

A female chimpanzee recently gave birth to an infant while in captivity. Because the paternity of the infant is unclear, scientists tested the DNA from two male chimpanzees, along with the female and infant. The resulting electrophoresis gel is shown.

Which labeled DNA fragment is largest?Deselect Answer

A female chimpanzee recently gave birth to an infant while in captivity. Because the paternity of the infant is unclear, scientists tested the DNA from two male chimpanzees, along with the female and infant. The resulting electrophoresis gel is shown.


Which fragments must the infant have received from its father?Deselect Answer

A female chimpanzee recently gave birth to an infant while in captivity. Because the paternity of the infant is unclear, scientists tested the DNA from two male chimpanzees, along with the female and infant. The resulting electrophoresis gel is shown.


Based on the gel electrophoresis result, what can be concluded?
I. Male 1 could possibly be the parent.
II. Male 1 can be ruled out as the parent.
III. Male 2 could possibly be the parent.
IV. Male 2 can be ruled out as the parent.Deselect Answer

The enzyme trypsin aids in protein digestion in the small intestine. The relative activity of trypsin at different PH values is shown in Figure I.

Which of the following statements best explains the activity levels of trypsin shown
in Figure I?Deselect Answer

Mutations in the CFTR gene cause cystic fibrosis (CF). The non-mutated allele of the gene can be obtained and then introduced into the lung cells of a person with CF using liposomes as a vector. This treatment gives only short-term relief from the symptoms of CF. Which of the following statements would be a correct explanation of this treatment?

1. Genes are unstable and break down over time in the cell.
2. Lung cells are constantly being replaced and new cells will have the faulty allele.
3. The non-mutated allele is recessive.

The occurrence of a particular genetic condition in a family is shown in the pedigree above. Which of the following is the most likely inheritance pattern for the individuals with the condition? Squares represent males, circles represent females, and shaded symbols represent individuals who exhibit the condition.

Which two of the following are final products of glycolysis?

1. phosphorylated triose
2. ATP
3. NAD
4. pyruvate

Production of ATP occurs in all of the following processes EXCEPT

The genes P, Q, R and S found on the same chromosome. The crossover values (COV) for the pairs of genes are:

• P and Q 35%
• P and R 5%
• R and Q 40%
• Q and S 10%
• R and S 30%

Which one of the following sequences of letters represents a correct order of genes on the chromosome?

Which of the following pairs of plants are most closely related?

I. Broad bean (Vicia faba)
II. Soybean (Glycine max)
III. Kidney bean (Phaseolus vulgaris)
IV. Barley (Hordeum vulgaris)
V. Scarlet runner bean (Phaseolus coccineus)Deselect Answer

The following structures are found in plant cells:

1. cell wall
2. cell membrane
3. nucleolus
4. mitochondrion

Which cell structures might contain molecules containing carbohydrate monomers?

A new species of succulent epiphytic flowering plant was discovered in the canopy of a tropical rain forest. Experiments were carried out to determine the plant’s photosynthetic capacity by measuring the net uptake of carbon dioxide and changes in tissue starch concentration over a 32-hour period with 8 hours of dark at the start and end of the measurement period and 16 hours of moderate light between the two dark periods. The changes in the rate of carbon dioxide uptake and the concentration of tissue starch are shown in the diagram below.

Which of the following is consistent with the data?

A petri dish contains populations of two different species of bacteria (V and W).  Both are growing and reproducing at the same rate, using the same resources. The conditions are then changed and the rate of growth and reproduction of the population of species V increases.

Which of the following, acting independently, could cause this increase in growth and reproduction rate?

1. A decrease in temperature
2. A change in pH
3. The addition of an antibiotic

A student used a microscope to observe a wet-mount slide of red onion epidermal celis that were suspended in a I % NaCl solution. The student then added a 1596 NaCL solution to the slide and observed the changes that occurred. The student's observations are represented in Figure 1.

Which of the following most directly explains the changes in the cells?Deselect Answer

Antidiuretic hormone (ADH) is important in maintaining homeostasis in mammals. ADH is released from the hypothalamus in response to high tissue osmolarity. In response to ADH, the collecting duct and distal tubule in the kidney become more permeable to water, which increases water reabsorption into the capillaries. The amount of hormone released is controlled by a negative feedback loop.

Based on the model presented, which of the following statements expresses the proper relationship between osmolarity, ADH release, and urine production?

Platelets are fragments oflarger celis and normaliy circulate in the blood without adhering to blood vessel walls. When the wall ofa blood vessel is damaged, collagen fibers in the wall are exposed to the interior of the blood vessel. The exposed fibers and chemicals released from the endothelial celis that line the blood vessel attract platelets, which start to form a Plug and release other chemicals (Figure I).

Which of the following best explains the feedback mechanism illustrated in Figure I ?Deselect Answer

Which option correctly identifies the site of the light-dependent reactions in photosynthesis (S), the hydrogen carrier (H) used and its end state (N)?

The apple maggot fly, Rhagoletis pomonella, is native to North America and originally fed on fruit of the Wild hawthorn. Since the mid-1800s, a population of flies has emerged that instead feed on domesticated apples. Apple maggot flies typically mate on or near the fruit of their host plants. Many varieties of apples ripen three to four weeks before the hawthorn fruits do.
The different fruit preferences of the two fly populations Will most likely have which of the following effects?Deselect Answer

Which one of the following reactions can be considered decomposition?Deselect Answer

How many sigma bonds exist in 1 molecule of acetylene?Deselect Answer

Which one of the following reaction’s Kc value could be equal to 1?Deselect Answer

Which one of the following affects the reaction rate negatively?

N₂(g) + 3 H₂ (g) ⇌ 2NH₃ (g) reaction reached equilibrium at 25 C. Equilibrium concentrations are [N₂] = 4 M, [H₂] = 0.1 M, [NH₃] = 4 M. What is the equilibrium constant?

For the reaction: A + B ⇌ C + D, which of the following changes will shift the equilibrium towards the reactants?Deselect Answer

According to the chemical reaction below which one(s) of the following statements could be correct?

HSO₄^- (aq) + NH₃ (aq) → NH₄ ⁺ (aq) + SO4 ^2- (aq)

Given the equation: 2 Cr(s) + 3 Pb²⁺(aq) → 2 Cr³⁺(aq) + 3 Pb(s), which is the correct reduction half reaction?

A student prepares a solution by dissolving 0.37 g Ca(OH)₂ solid in 10L of water. Then evaporates 9L of the water from the container. What will be the pH of the resulting solution?
Ca(OH)₂ = 74 mol/gDeselect Answer

Most transition metals share a common oxidation state of +2. Which of the following best explains why?

Which of the following boils at the highest temperature?

The normal boiling point of a liquid is

What is the correct name for the given molecule?

In Universal indicators, a pH of 11 to 14 is indicated through

Which of the following aqueous solutions should have the highest boiling point?

If F, V and E are number of faces, vertices and edges of a triangular pyramid respectively, then which of the following statement is true?

For the graph of the equation in the X-Y coordinate  system a and b are positive numbers

I.   If a= b and sign between the terms is positive, then the equation represent a circle
II.  If a≠b and sign between the terms is positive, then the equation represent a hyperbola
II.  If a= b and sign between the terms is negative, then the equation represent a parabola

Which of the above statement(s) is/are true?

A reduction of 10% in the price of tea enables a dealer to purchase 25 kg more tea for $225.  What is the price in dollar per kg before reduction ?

There are two identical boxes A with 3 blue 2 red and 1 yellow marbles in it where as in the box B there are 1 blue 2 red and 2 yellow marbles. If I choose one from the box A and put it in the box B. Then, I choose a ball from the box B what is the probability that I will get a red one?

Deselect Answer

The equation x²+4x+m=0 has two real roots x₁ and x₂. If [x₁]³ x₂+[x₂]³ x₁=14, find the value of m.

Which expression has the same SI base units as pressure?

A hanging basket of weight W is supported by three chains of equal length, each at an angle θ to the vertical.

The tension, T, in each chain is given by

If weight of an object is 900 N on the surface of Earth, what will be its weight if it is elevated to a height two times the radius of Earth’s surface?

Two blocks of mass M kg and 2,5 kg respectively are connected by a light, inextensible string. The string runs over a light, frictionless pulley, as shown in the diagram below.

The coefficient of static friction (μ_s) between the unknown mass M and the surface of the table is 0,2.  If system released it starts to speed up to 6 m/s in 3 seconds, what is the mass M? ( Gravitational acceleration is 10 m/s²)

A negatively charged rod is brought near an uncharged, grounded electroscope. Which of the following statements is true?

An electrical motor provides 0.50 W of mechanical power. How much time will it take the motor to lift a 0.1 kg mass at constant speed from the floor to a shelf 2.0 m above the floor? (g:10 m/s2)Deselect Answer

A block slides from rest with negligible friction down the track above, descending a vertical height of 5.0 m to point P at the bottom. It then slides on the horizontal surface. The coefficient of friction between the block and the horizontal surface is 0.20. How far does the block slide on the horizontal surface before it comes to rest?Deselect Answer